Revision as of 14:44, 19 January 2021

References

• Robotis Turtlebot3 eMnuall SBC Setup
• Section 3.2 SBC Setup

Prepare micoSD Card

• Section 3.2.1
• Download the ubuntu-18.04.3-preinstalled-server-arm64+raspi3.img.xz image for your SBC from the links below.
  • Ubuntu 18.04.3 Preinstalled Server ARM64 for Raspberry Pi3

 $ cd TB3Install

 TB3Install$ mv ~/Downloads/ubuntu-18.04.3-preinstalled-server-arm64+raspi3.img.xz .

 TB3Install$ unxz < ubuntu-18.04.3-preinstalled-server-arm64+raspi3.img.xz > ubuntu-18.04.3-preinstalled-server-arm64+raspi3.img

• Run the Disks application
  • To find it go to the "Show Applications" icon in the bottom left corner of the desktop.
  • Search for "Disks"
• In the upper right corner of the Disks app window is a "hamburger" menu (3 horizontal lines).
• Select the "Restore Disk Image" menu item
• Do what makes sense

Useful References

• How Do I Uncompress a Tarball that Uses xz

 If for some reason the tar solutions don’t work (perhaps because you’re using the OS X built-ins), try this: 
   unxz < file.tar.xz > file.tar

 which is equivalent to:
   xz -dc < file.tar.xz > file.tar

 Then use tar to untar the file.

• https://www.maketecheasier.com/backup-hard-drive-gnome-disk-utility/ Backup Hard Drive Gnome Disk Utility]

Boot Up the Raspberry Pi

• Section 3.2.2

Configure the Raspberry Pi

• Section 3.2.3
• I believe this is what I did but I couldn't capture my keystrokes

Log into the Pi

• username: ubuntu
• passwd: ubuntu which I changed

Disable Automatic update

 $ sudo nano /etc/apt/apt.conf.d/20auto-upgrades

Change the update settings

 APT::Periodic::Update-Package-Lists "0";
 APT::Periodic::Unattended-Upgrade "0";

Configure wifi (I had trouble with the syntax and indention so it took a few tries0

 $ sudo nano /etc/netplan/50-cloud-init.yaml

ubuntu@ubuntu:~$ cat /etc/netplan/50-cloud-init.yaml

1. This file is generated from information provided by
2. the datasource. Changes to it will not persist across an instance.
3. To disable cloud-init's network configuration capabilities, write a file
4. /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg with the following:
5. network: {config: disabled}

network:

   version: 2
   ethernets:
       eth0:
           dhcp4: true
           match:
               macaddress: b8:27:eb:0b:5d:ce
           set-name: eth0

network:

 version: 2
 renderer: networkd
 ethernets:
   eth0:
     dhcp4: yes
     dhcp6: yes
     optional: true
 wifis:
   wlan0:
     dhcp4: yes
     dhcp6: yes
     access-points:
       "zdome":
         password: "fishsticks"

Notes and Logs

• SBC Turtlebot3 Setup ROS 2 Dashing 202101 Note and Log